ok guys, I was thinking of getting a laser jammer this summer sometime and decided that I don't want to spend more than $500 dollars, while at the same time buying a product from a company based in the USA. So with that I have narrowed it down to the Blinder M25 or the ZR4. Comparing these two, what one do you guys think is a better performer on my car? Included is a picture of my car, also where do you guys recommend that I install it??